SOLUTION: I cannot figure out how to start this equation 3(x+4 -1) =15 The (x+4-1)is divided by 2 2

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Question 11367: I cannot figure out how to start this equation
3(x+4 -1) =15 The (x+4-1)is divided by 2
2
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
3(x+4 -1) =15 The (x+4-1)is divided by 2
2
3(x+3)=15
2
Divide 3 from both sides;
x+3 = 15/3
2
multiply 2 to both sides;
x+3 = 5(2)
subtract 3 from both sides;
x = 10-3
x=7
check:
3(7+4-1) = 15
2
3(10) = 15
2
30/2 = 15
15=15